Finding the Third Proportional to 605,448 and 1,315,696

Step by Step Solution

1. Step 1: Write the proportion equation
   605,448 : 1,315,696 = 1,315,696 : x
2. Step 2: Convert to fraction form
   605,448/1,315,696 = 1,315,696/x
3. Step 3: Cross multiply
   605,448x = 1,315,696 × 1,315,696
4. Step 4: Simplify right side
   605,448x = 1,731,055,964,416
5. Step 5: Solve for x
   x = 1,731,055,964,416/605,448
6. Step 6: Final answer
   x = 2,859,132.35